查询词典 compression of data

For power system mass data transmission, a practical method of data compression is put forward.

针对电力系统大量录波信号的传输问题，提出了一种压缩数据的实用方法。

Finally, a data compression method is presented that compresses the raw SAR data by means of wavelet transform and vector quantizer.

一种用小波变换对星载SAR原始数据进行压缩的方法，结果表明，与传统的方法相比，由该方法压缩后的原始数据生成的SAR图像具有更大的信噪比。

In this system , the signal is decomposed on different frequency bands, then data compression and data recomposition are performed respectively.

该系统对信号首先按不同的频带进行分解，然后分别进行数据压缩和数据重构。

After having a data compression algorithm in the transmission system, we could display 3D data with a refresh rate of 2.63HZ.

在成功加载压缩算法之后，系统理论可以达到2.63HZ三维图像刷新率，为下一代实时系统的研制奠定了一定的基础。

By using the new scheme, the compression ratio for general meteorology grid data can be effectively promoted, and the compressing process of data is completely scatheless within available precision.

大气是一种连续介质，格点资料是反映其动力学及热力学性质的连续物理量的采样和量化，相邻格点间存在很大的相关性。

In the development of SRFM, through such image processing techniques as linear hue transformation, image liminal division and eliminating noises by adjacent field averaging and such data processing method as high speed data compression as well as arranging the procedure of eliminating noises after image division, the precision and performance of responding in real time are guaranteed.

在系统的研制中，通过综合运用线性灰度变换、图像阈值分割以及邻域平均法滤波等多种图像处理技术和高速数据压缩等数据处理算法，并采用了将滤波环节放在图像分割之后进行的图像处理顺序，保证了系统剔除的准确性和实时性。

This paper proposes a new EEG lossless compression technology based on improved DM Coding and Adaptive 2-Value Arithmetic Coding:First, DM Coding is used to the original data, and them through an appropriate transform of data format, most of the "redundant" bits in every byte are removed, also its Entropy of bits is reduced.

引言 多年来，嫡编码作为数据无损压缩的重要手段在生物医学信号的处理中一直得到广泛地应用，同时对于脑电信号的处理来说更是如此：由于神经疾病的诊断需要容量庞大的分析数据以及脑电波自身内涵的复杂性使得无损压缩对于脑电数据的处理而言异常重要；在另一方面，霍夫曼编码(Huffman Cod-ing)。

In land areas with highvelocity rock outcrops,the seismic data recorded by vertical geophone deviate from the data of reflected compression wave with the increment of dip angle of strata and incident angle of reflection wave,which results in the difficulties of conventional seismic exploration in the near-surface high-velocity rock outcropped areas.

结果表明，当近地表速度为低速时，可以将垂直检波器记录的地震记录近似等同于反射纵波记录，这就是常规地震勘探在低速带区勘探取得成功的原因之一；当近地表速度为高速时，随着界面倾角和入射角的增加，垂直检波器记录的地震记录等效为反射纵波记录的误差增大，这就是存在高速近地表区地震勘探的难点之一。

SecureZIP is an integrated security and compression tool that not only zips and unzips files, but also encrypts the files to securely protecting data in transmission, transfer, transit or been stored on computer that contain sensitive data.

securezip是一个综合的安全和压缩工具，不仅拉链和unzips档案，但也加密文件安全保护数据在传输，转让，过境或已储存在电脑中包含敏感数据。

Two methods are proposed in thesis to deal with asynchrony, in which one is data compression in local sensors and the other is statistical method in data fusion center.

论文研究了两种解决方案，一是局部传感器数据压缩的方法；二是融合中心的统计方法。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。